<template>
  <canvas id="c"></canvas>
</template>

<script>
var b = document.body;
var c = document.getElementsByTagName("canvas")[0];
var a = c.getContext("2d");
document.body.clientWidth;

with ((m = Math)) (C = cos), (S = sin), (P = pow), (R = random);
c.width = c.height = f = 600;
h = -250;
function p(a, b, c) {
  if (c > 60)
    return [
      S(a * 7) * (13 + 5 / (0.2 + P(b * 4, 4))) - S(b) * 50,
      b * f + 50,
      625 + C(a * 7) * (13 + 5 / (0.2 + P(b * 4, 4))) + b * 400,
      a * 1 - b / 2,
      a,
    ];
  A = a * 2 - 1;
  B = b * 2 - 1;
  if (A * A + B * B < 1) {
    if (c > 37) {
      n = (j = c & 1) ? 6 : 4;
      o = 0.5 / (a + 0.01) + C(b * 125) * 3 - a * 300;
      w = b * h;
      return [
        o * C(n) + w * S(n) + j * 610 - 390,
        o * S(n) - w * C(n) + 550 - j * 350,
        1180 + C(B + A) * 99 - j * 300,
        0.4 -
          a * 0.1 +
          P(1 - B * B, -h * 6) * 0.15 -
          a * b * 0.4 +
          C(a + b) / 5 +
          P(C((o * (a + 1) + (B > 0 ? w : -w)) / 25), 30) * 0.1 * (1 - B * B),
        o / 1e3 + 0.7 - o * w * 3e-6,
      ];
    }
    if (c > 32) {
      c = c * 1.16 - 0.15;
      o = a * 45 - 20;
      w = b * b * h;
      z = o * S(c) + w * C(c) + 620;
      return [
        o * C(c) - w * S(c),
        28 + C(B * 0.5) * 99 - b * b * b * 60 - z / 2 - h,
        z,
        (b * b * 0.3 + P(1 - A * A, 7) * 0.15 + 0.3) * b,
        b * 0.7,
      ];
    }
    o = A * (2 - b) * (80 - c * 2);
    w = 99 - C(A) * 120 - C(b) * (-h - c * 4.9) + C(P(1 - b, 7)) * 50 + c * 2;
    z = o * S(c) + w * C(c) + 700;
    return [
      o * C(c) - w * S(c),
      B * 99 - C(P(b, 7)) * 50 - c / 3 - z / 1.35 + 450,
      z,
      (1 - b / 1.2) * 0.9 + a * 0.1,
      P(1 - b, 20) / 4 + 0.05,
    ];
  }
}
setInterval(
  'for(i=0;i<1e4;i++)if(s=p(R(),R(),i%46/.74)){z=s[2];x=~~(s[0]*f/z-h);y=~~(s[1]*f/z-h);if(!m[q=y*f+x]|m[q]>z)m[q]=z,a.fillStyle="rgb("+~(s[3]*h)+","+~(s[4]*h)+","+~(s[3]*s[3]*-80)+")",a.fillRect(x,y,1,1)}',
  0
);
</script>

<style scoped>
</style>